Transmission Error (Between Centralized Remote Controller And Indoor Unit) - Daikin SkyAir RZQ-P Series Service Manual

Troubleshooting by Indication on the Remote Controller
3.43 Transmission Error (between Centralized Remote
Controller and Indoor Unit)
UE
Remote
Controller
Display
Applicable
FCQ, FHQ, FAQ, FTQ
Centralized controller
Models
Method of Error
Micro-computer checks if transmission between indoor unit and centralized remote controller is
Detection normal.
Error Decision When transmission is not carried out normally for a certain amount of time
Conditions
 Transmission error between optional controllers for centralized control and indoor unit
Supposed
 Connector for setting main controller is disconnected.
Causes
 Defective PCB for centralized remote controller
 Defective indoor unit PCB
144
SiUS28-902_B
Service Diagnosis